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Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd have applied Chinese patent for Method for Cleaning High-temperature Depolymerization Reactor and Application Thereof. Guo Yi, Zheng Lin, He Laibin, Yuan Wei, Wang Qihua, Shi Shaofei and Zhao Wenbin developed it.
The patent a..
Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- Daqing Oilfield and PetroChina have applied Chinese patent for Dredging Device for Communicating Pipeline of Liquid Level Meter of Vacuum Heating Furnace. Shao Lei, Liu Xiaoying, Zhang Yangang, He Jingang, Li Xueying and Liu Yue developed it.
The patent application number is CN202410989415 20240723. The pat..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- China Nat Petroleum Corporation and China National Oil and Gas Exploration and Development Co have submitted a patent application for Well-seismic Fusion Full-frequency Inversion Method and Apparatus. This invention was developed by He Wenyuan, Chen Yanhu, Chen Xin, Xu Zhenyong, Liu Dawang, Li Fengfeng, Han Hai..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- Cetrone Giuseppe, Lasco Nicola and Sinergia SpA have submitted a patent application for Pressure Management Unit of the Annulus of an Oil Well and Control Method for Pressure Regulation.
The patent application number is WO2025IB61301 20251105. The patent publication number is WO2026099756 (A1). Internationa..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- Green Energy Invest Holding Pte Ltd has submitted a patent application for Method and System for Processing Syngas. This invention was developed by Lim Shao Lin and Kwan Yau- Shing Sydney.
The patent application number is WO2024SG50788 20241212. The patent publication number is WO2026101450 (A1). Internation..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- World Intellectual Property Organization has released Green Energy Invest Holding Pte Ltd patent application for Method and System for Hydrogen Production. This invention was developed by Lim Shao Lin and Kwan Yau Shing Sydney.
The patent application number is WO2025SG50437 20250627. The patent publication n..
Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- Novatec Plc has sought patent for Method for Producing Low-carbon Ammonia from Natural Gas. This invention was developed by Ugorov Anton Ivanovich, Nikulin Sergey Anatolievich, Rudenko Sergei Vladimirovich, Sedafnia Dileep N, Lepskiy Vladimir Nikolaevich, Dulova Alla Alexandrovna, Ahmachen Alexander R and Shli..
Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- Xian University of Architecture and Technology has submitted a patent application for Attached Surface Type Targeted Oxygen Supply Device and Oxygen Supply Method for High-altitude Anoxic Region. This invention was developed by Li Angui, Chen Shusen, Ma Yuanqing and Liu Meiou.
The patent application number ..
Oil & Gas
| Thu 21 May 2026
Geneva, May 21 -- Micro Motion has submitted a patent application for Detection of Liquid Natural Gas Adulteration. This invention was developed by Zhao Heng.
The patent application number is WO2024CN130764 20241108. The patent publication number is WO2026097411 (A1). International Patent Classification code is G01N9/36.
..
Oil & Gas
| Thu 21 May 2026
Geneva, May 21 -- Micro Motion has filed a patent application for Detection of Liquid Natural Gas Adulteration. This invention was developed by Zhao Heng.
The patent application number is WO2024CN130770 20241108. The patent publication number is WO2026097414 (A1). International Patent Classification code is G01N11/00.
Acc..
Oil & Gas
| Thu 21 May 2026
Geneva, May 21 -- Micro Motion has submitted a patent application for Detection of Liquid Natural Gas Adulteration. This invention was developed by Zhao Heng.
The patent application number is WO2024CN130779 20241108. The patent publication number is WO2026097415 (A1). International Patent Classification code is G01N11/02.
..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- World Intellectual Property Organization has published Kawasaki Jukogyo K K patent application for Liquefied Gas Carrying Vessel. The invention was developed by Tamoto Eiji, Maeda Takayuki, Oomori Kouki and Ohashi Shunsuke.
The patent application number is WO2024JP40001 20241111. The patent publication numbe..
Oil & Gas
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has published Offshore Oil Engineering patent application for Tension Leg Floating Fan Tie-back Method. The invention was developed by Li Huailiang, Yang Xiaolong, Zhang Guanglei, Wu Haibo, Li Jinghui, Shi Jinkun, Wang Bin, Yang Hui, Huang Shantian, Chen Feng, Qiao X..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- Nippon Chemical Industrial has submitted a patent application for Antioxidant, Carbon Dioxide Absorbing Solution, Carbon Dioxide Separation Method, Carbon Dioxide Separation/recovery Method, and Device Using Carbon Dioxide Absorbing Solution. This invention was developed by Sugiya Masashi, Abe Shizuka and Furui..
Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- Schlumberger Technology has submitted a patent application for System Method and Apparatus for Instrumentally Joining Elements. This invention was developed by Haugvadstad Kjell, Cook Helen, Richards Edward, Tanke Gerd, Dunlop Jonathan and Herd Jeffrey R.
The patent application number is CN20248040548 2024051..
Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- China University of Petroleum, Beijing has applied Chinese patent for Mesoporous Silicon-aluminum Molecular Sieve Catalyst, Preparation Method and Application Thereof, and Polyolefin Plastic Catalytic Hydrogenolysis Method. Wang Xilong, Li Dongze, Wang Chunya and Xu Chunming developed it.
The patent applicati..
Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- PetroChina has sought patent for Modified Catalyst Carrier and Preparation Method Thereof. This invention was developed by Li Jingfeng, Yao Wenjun, Xiang Yongsheng, Wang Gaofeng, Xie Yuan, Zhang Yongze, Liu Lei, Gao Min, Wang Lingling and Quan Minqiang.
The patent application number is CN202410984697 20240722..
Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received PetroChina patent application for Transalkylation Catalyst and Preparation Method and Application Thereof. Wu Yuchao, Su Kaining, Li Yaxing and Zhang Haotian developed the invention.
The patent application number is CN202410993404 20240723. The patent p..
Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- PetroChina has submitted a patent application for Methylnaphthalene Alkylation Catalyst as Well as Preparation Method and Application Thereof. Wu Yuchao, Chen Fei, Su Kaining, Li Yaxing, Zhang Haotian, Xu Hua and Zhang Ruolin developed the invention.
The patent application number is CN202410993403 20240723. T..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- Linde has sought patent for Air Separation Unit and Air Separation Method. This invention was developed by Flegiel Felix, Matten Christian, Lauchner Daniela, C Brown Steven, Matamoros Luis, Hanusch Florian and Chalakova Mariyana.
The patent application number is WO2025EP79081 20251009. The patent publication..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- World Intellectual Property Organization has released Baker Hughes Oilfield Operations patent application for Insert and Method, and System for Handling Different Diameter Tubulars in Tubular Handling Equipment. This invention was developed by Breaux Joseph Pierre.
The patent application number is WO2025US4839..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- Weatherford Technology has submitted a patent application for Machine Learning Assisted Downhole Multiphase Flowmeter. Unalmis Bora Alican and Unalmis Omer Haldun developed the invention.
The patent application number is WO2025US45425 20250908. The patent publication number is WO2026101600 (A1). International ..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- Halliburton Energy Services has submitted a patent application for Method to Enhance Pozzolan Reactivity. Pisklak Thomas Jason, Osegueda Claudia Carmen and Lewis Samuel developed the invention.
The patent application number is WO2024US62421 20241231. The patent publication number is WO2026101550 (A1). Internat..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- World Intellectual Property Organization has received Halliburton Energy Services patent application for Bi-metallic Drill Bit Mandrel Utilizing Precipitation Hardened Material Pre-joined to a Drill Bit Mandrel Suitable for Infiltration. Grosz Gregory, Voglewede Daniel Brendan and Arfele Robert W developed the ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 21 -- PetroChina has applied Chinese patent for Shale Gas Well Flow-back Fluid Separation Device. Song Yinjun, Wu Hongbo, Li Chen, He Yu, Lan Qikui and Song Yu developed it.
The patent application number is CN202410982924 20240722. The patent publication number is CN121377209 (A). International Patent Classificatio..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- World Intellectual Property Organization has published ConocoPhillips patent application for Lateral Gas Lift with Slugging Control. The invention was developed by Scott Stuart L.
The patent application number is WO2025US54157 20251105. The patent publication number is WO2026101999 (A1). International Patent C..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- Halliburton Energy Services has filed a patent application for Flow Control Valve Employing First and Second Separately Operable Actuators. This invention was developed by Joubran Jonathon N, Kanwarlal Sanjay, Alves Neto Samuel Amora and Santos Jefferson Koloda Dos.
The patent application number is WO2025US541..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- Halliburton Energy Services has filed a patent application for Flow Control Valve Employing at Least a 1.5 Ksi Pressure Differential. This invention was developed by Joubran Jonathon N, Kanwarlal Sanjay, Alves Neto Samuel Amora and Santos Jefferson Koloda Dos.
The patent application number is WO2025US54108 202..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- Chevron USA has sought patent for Seismic-stratigraphic Validation for Subsurface Modeling. This invention was developed by Wilson Ryan David, Vincent Paul Daniel, Sun Tao and Miller Edith Jacoba.
The patent application number is WO2025US53920 20251104. The patent publication number is WO2026101881 (A1). Inter..
Oil & Gas
| Wed 20 May 2026
Geneva, May 21 -- Baker Hughes Holdings has applied WIPO patent for Systems, Methods, and User Interfaces for Displaying Ultrasound Testing Data. Yadavalli Siva Sankar developed it.
The patent application number is WO2025US53531 20251031. The patent publication number is WO2026101802 (A1). International Patent Classification co..
Oil & Gas
| Thu 21 May 2026
Mexico City, May 21 -- Weatherford Technology has sought patent for Riser-less Managed Pressure Operations. This invention was developed by Thomson Gordon and Hooker John D.
The patent application number is MX20240009865 20230106. The patent publication number is MX2024009865 (A). International Patent Classification codes are E..
Oil & Gas
| Thu 21 May 2026
Geneva, May 21 -- ConocoPhillips has submitted a patent application for System and Method for Deconvolution of In-well Distributed Acoustic Sensing. Swan Herbert and Friehauf Kyle developed the invention.
The patent application number is WO2025US54819 20251110. The patent publication number is WO2026102396 (A1). International P..
Oil & Gas
| Thu 21 May 2026
Mexico City, May 21 -- Schlumberger Technology has submitted a patent application for Coring Tools Having Coring Shafts with Associated Internal Static Sleeves. Singh Viraj, Bhome Amol, Milkovisch Mark, De La Garza Daniel G, Casassa Joseph Matthew, Song Lijun, Shaikh Is Haq Mohsin, Barathe Swapnil, Leake Christopher and Haddad C..
Oil & Gas
| Thu 21 May 2026
Mexico City, May 21 -- Schlumberger Technology has applied Mexican patent for Detecting Defects in Tubular Structures. Benslimane Salma, Kherroubi Josselin, Le Calvez Jean-luc, Kalyanraman Ram Sunder, Lemarenko Mikhail, Berard Thomas and Singh Kamaljeet developed it.
The patent application number is MX20240006670 20221109. The ..
Oil & Gas
| Thu 21 May 2026
Mexico City, May 21 -- Schlumberger Technology has filed a patent application for Systems and Methods for Measuring Physical Lithological Features Based on Calibrated Photographs of Rock Particles. This invention was developed by Di Santo Simone and Yamada Tetsushi.
The patent application number is MX20240008518 20230106. The p..
Oil & Gas
| Thu 21 May 2026
Canberra, May 21 -- Australian Patent Office has published Linde patent application for Compact Valve for Cryogen Media with Conditioning System. The invention was developed by Berghoff Rudolf.
The patent application number is AU20240210036 20240116. The patent publication number is AU2024210036 (A1). International Patent Cla..
Oil & Gas
| Thu 21 May 2026
Mexico City, May 21 -- Mexican Institute of Industrial Property has published Halliburton Energy Services patent application for Thermally Expanding Sealing Elements. The invention was developed by Fripp Michael Linley, Juhari Muhammad Nur Adli and Thatathil Sandeep.
The patent application number is MX20240009697 20220422. The ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst have submitted a patent application for Method and System for Predicting Maximum Height of Oil Column of Sandstone Reservoir. This invention was developed by Zheng Dingye, Gao Xiaopeng, Yang Guili, Hao Yunqing and Wang Jingyi.
The ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China Petroleum & Chemical and Sinopec Shanghai Petrochemical Res Institute Co Ltd have sought patent for Soil and Underground Water Cooperative Treatment Method. This invention was developed by Zhao Shen, Sun Xiaoxue, Wang Deju, Zuo Yu and Li Renjie.
The patent application number is CN202410967990 20240718..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Cnpc Shenzhen New Energy Res Institute Co Ltd and PetroChina have filed a patent application for Geothermal Wellhead Temperature Prediction Method, Device, Equipment, Storage Medium and Product. This invention was developed by Xiong Bo, Xue Yafei, Xin Fudong, Wang Shejiao and Fang Chaohe.
The patent applica..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst have sought patent for Geological Modeling Method and Device, Electronic Equipment and Readable Storage Medium. This invention was developed by Zhang Zhongmin, Cao Zhe, Lyu Xueyan and Yang Guangqing.
The patent application number i..
Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- Jutal Offshore Oil Services Zhuhai has submitted a patent application for Ultrasonic Detonation Rotational Flow Microbubble Flotation Device. This invention was developed by Jiang Tao, Cai Heqiao, Duan Yanli, Shan Yongkang, Ma Yonggang, Zhuang Yongsheng and Zhang Chengwu.
The patent application number is CN..
Oil & Gas
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Henan Haoli Intelligent Technology patent application for Composite Adsorption Material Applied to Co2 Gas-liquid Separation and Preparation Method Thereof. Chen Yanfeng, Huang Saijuan, He Wei, Xie Fangliang, Wang Yanling, Song Chaopeng, Wei Shuo, Li Ton..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released China National Petroleum and China Petroleum Logging Co Ltd patent application for Formation Density Calculation Method and Device for Variable Energy Window Gamma Density Logging and Storage Medium. This invention was developed by An Lyuxing, Yue Aizhon..
Oil & Gas
| Tue 19 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released Huadian Huadian Jinsha River Upstream Hydropower Dev Co Ltd, China Institute of Water Resources and Hydropower Research, PowerChina Northwest Engineering Corporation and Xi'an University of Technology patent application for Cascade Water-light-storage Co..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Bgp Inc China Nat Pet Corp have sought patent for Abnormal Channel Data Generation Method, Device and Equipment Based on Node Equipment, Storage Medium and Product. This invention was developed by Pan Yingjie, Wang Qiucheng, Ren Yanyong, Wu Wei, Song Weifeng and Tian Lei.
The pa..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum, Cnpc Engineering Tech R & D Co Ltd and China Nat Oil And Gas Exploration And Development Ltd have filed a patent application for Target Drilling Machine Determination Method and Device, Electronic Equipment and Medium. This invention was developed by Xiao Yue, Zhou Tuo, Gu Yixin, Son..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Cnpc Science Tech Research Institute Co Ltd and China National Petroleum have sought patent for Method and Device for Predicting Yield of Fracturing Reformed Oil Reservoir. This invention was developed by Liu Fenghe, Qian Qihao, Lei Zhengdong, Chen Lijun and Zhang Menglin.
The patent application number is C..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China University of Petroleum, East China has submitted a patent application for Hydrofracture Effect Evaluation Method Based on FMM Accelerated Iterative Algorithm. Yuan Guangpu, Chen Ming, Guo Tiankui, Yang Lifeng, Fan Meng, Liang Hongbo and Chen Zhuxing developed the invention.
The patent application num..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- U.S. Patent and Trademark Office has released China Hydrogen Energy Technology Co patent application for Multipurpose Solid Hydrogen Storage Device. This invention was developed by Liang Xiaofeng and Zhou Mingqiang.
The patent application number is US202519432940 20251225. The patent publication number i..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst patent application for Modeling Method and Device for Strike-slip Fault Zone. Guo Kangkang, Liu Yuqing, Liu Dawei, Deng Shang, Ru Zhixing and Li Yingtao developed the invention...
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd patent application for Method, Device and Equipment for Analyzing and Rating Vibration Condition of Drill String Based on Real-time Logging Data and Medium. This invention was develope..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Cnpc Xibu Drilling Eng Co Ltd have submitted a patent application for Indoor Evaluation Method and Device for While-drilling Plugging Drilling Fluid to Pass Through Rotation Guiding System. Jia Yonghong, Zhou Shuangjun, Zhao Li, Ye Anchen, Zhang Wei, Wang Zhigang, Zhang Ruijin, Wan..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Shaanxi Jiekaizhou Machinery Equipment Co Ltd has applied Chinese patent for Air Filtering and Detecting Device for Petroleum Drilling and Production Environment. Wang Bo, Xie Yongzhou and Ma Zhiyi developed it.
The patent application number is CN202511935683 20251222. The patent publication number is CN121..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Cnpc Engineering Mat R & D Company Limited have submitted a patent application for X-ray Evaluation Method and System for Thickness of Scaling Layer in Oil and Gas Pipeline. This invention was developed by Luo Huaquan, Bai Xiaoliang, Zhang Yiming, Liu Wenhong, Yang Lineng, Liu Yang..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Wuxi Keluo Cryogenic Tech Co Ltd has sought patent for Oil-free Gas Liquefaction System with Closed Cooling System and Liquefaction Method of Oil-free Gas Liquefaction System. This invention was developed by Li Xiaoming and Li Mulang.
The patent application number is CN202511875220 20251212. The patent publ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Bgp Inc China Nat Pet Corp have submitted a patent application for Data Backfilling Time Shifting Method and Device and Storage Medium. This invention was developed by Jing Longjiang, Chen Sanping, Li Zilong, Li Le, Chih-chao Yang and Zhang Hua.
The patent application number is ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 --Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have submitted a patent application for Carbon Dioxide Fracturing Exhaust Mute Recycling System and Recycling Method. Yang Qiang, Zhou Qing, Zhu Haoming, Xi Qinyang, Li Sen, Z..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Southwest Petroleum University has submitted a patent application for Ultra-long-stroke Piston Type High-gas-content Multiphase Pump. This invention was developed by Ye Zhewei, He An, Jiang Shaoyun, Fang Donglin, Wang Hao, Li Changjiang, Peng Junhao and Li Pengkun.
The patent application number is CN2025119..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum, Cnpc Engineering Mat R & D Company Limited and Beijing Longshine Oil Tubular Tech Co Ltd have submitted a patent application for Variable-wall-thickness Bent Pipe for Butt Joint of Large-wall-thickness-difference Steel Pipes and Production Method of Variable-wall-thickness Bent Pipe...
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Canadian Intellectual Property Office has received National Oilwell Varco patent application for Power Swivel and Gooseneck. Walker Christopher Brian, Do Henry, Papp Robert Ioan, Puscas Mihail and Blankenship Calvin Ronald developed the invention.
The patent application number is CA20163001538 20161021. The ..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Canadian Intellectual Property Office has received Baker Hughes A Ge Co LLC patent application for Degradable Extrusion Resistant Compositions and Articles of Manufacture. Duan Ping, Sadana Anil K, Khatiwada Suman, Xu Yingqing and Wang Xiao developed the invention.
The patent application number is CA20163010..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has received Chengdu Garidon Oil and Gas Tech Development Co Ltd patent application for Method for Calculating Fracture Density Data Volume. Li Yalan, Zhang Chi, Liu Jun and Min Yanbo developed the invention.
The patent application number is CN202411910535 2024122..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Bgp Inc China Nat Pet Corp have applied Chinese patent for Complex Earth Surface Three-dimensional Work Area Designated Starting Point Shot Point Grouping Method, Device, Equipment, Storage Medium and Product. Ding Jianqun, Yan Hao, He Yongqing, Du Qingbo, Lei Fei and Zhang Ruitian..
Oil & Gas
| Tue 19 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing patent application for Method and Device for Predicting Content of Sulfur and Nitrogen in Refined Wax Oil. The invention was developed by Tian Wang, Qin Kang, Xie Yu, Zhang Fan..
Oil & Gas
| Tue 19 May 2026
Beijing, May 20 -- Shantou Power Supply Bureau Guangdong Power Grid Co Ltd has applied Chinese patent for Method for Analyzing Characteristics of Decomposition Product of C4f7n Mixed Gas. Chen Hongshi, Hu Hongyi, Guo Wei, Yao Zehui, Cai Zhechun, Chen Xin, Zhao Xiaojing, Zhang Feng, Lin Peiqiong, Zhou Zheling, Xiao Xiaoying, Ji C..
Oil & Gas
| Tue 19 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing patent application for Method and Device for Determining Different Nitride Contents of Refined Wax Oil. Tian Wang, Qin Kang, Zheng Jian, Zhang Fanbin and Liang Jialin developed ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Dongying Gaoyuan Haitai Machinery Mfg Co Ltd has applied Chinese patent for Soft Sealing Reinforced Plunger Oil Well Pump. Song Qiang, Zhang Ping, Wang Qinghua and Yu Jie developed it.
The patent application number is CN202511953096 20251223. The patent publication number is CN121363527 (A). International P..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Jinan Deyi Environmental Protection Tech Co Ltd has submitted a patent application for Raw Gas Hydrogen Production System. This invention was developed by Zhang Xiao, Xiong Zhuoming, Zhang Qingkui, Wang Hongdong and Huang Mingming.
The patent application number is CN202511533691 20251025. The patent publica..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Xinjiang Petroleum Eng Co Ltd, China Petroleum Eng & Constr Corp, China Nat Petroleum Corporation Engineering Co Ltd and China National Petroleum have sought patent for Divergent Coalescence Double-rectifying-plate Efficient Dehydration Method and Device. This invention was developed by Li Long, Huang Qiang, Q..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published Xinjiang Hesheng Silicon Industry New Mat Co Ltd patent application for Preparation Method of Hyperbranched Methoxy Silicone Oil. The invention was developed by Qu Longxue, Luo Yedong, Liu Shaolong, Qin Wei, Zhang Zhandong and Yang Zhenguo.
The paten..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- ConocoPhillips has filed a patent application for System and Method for Deconvolution of In-well Distributed Acoustic Sensing. This invention was developed by Swan Herbert and Friehauf Kyle.
The patent application number is US202519384541 20251110. The patent publication number is US20260133336 (A1). Inter..
Oil & Gas
| Tue 19 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published Zhongshan Research Institute Changchun University Of Science And Technology, Zhongshan High Hydrogen Power Tech Co Ltd and Hainan Longpan Oilfield Tech Co Ltd patent application for Low-temperature Proton Ceramic Fuel Cell Composite Catalytic Material a..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing patent application for Cylinder Device and Reciprocating Piston Internal Combustion Engine. This invention was developed by Tian Huayu, Zhang Ran, Yang He, Wang Jun and Hu Xiaom..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China North Engine Res Institute has submitted a patent application for Mixed Oil Gas Generating Device and Mixed Oil Gas Generating Method for Simulating Waste Gas. This invention was developed by Li Yifan, Wang Haoyu, Luo Yingdi, Ke Qinghang, Zhang Xiaoliang, Wen Yang, Zhou Runtian, He Xiaodong and Yao Liang..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst patent application for Method for Simulating Full-life-cycle Gas-water Occurrence and Utilization of Low-permeability Tight Gas Reservoir. This invention was developed by Guo Ya..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum, Beijing Petroleum Machinery and Cnpc Kunlun Mfg Company Limited have submitted a patent application for Drill String Dynamic Stability Control Method and System, Storage Medium and Electronic Equipment. Zhang Yao, Lu Siyuan, Wang Bo, Ma Rui, Yang Quanshui, Zhou Zeren, Tan Shuai, Zhu X..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published Hainan Zhongran Huida Energy Co Ltd patent application for Transformation Method Aiming at Coal Seam Passivation Problem Caused by Ash Deposition in Underground Gasification Process of Deep Coal. The invention was developed by Cui Qingshan, Wang Xiaodon..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have submitted a patent application for Device for Controlling Throwing of Segmented Balls. This invention was developed by Wang Qianmin, Wang Degui, Yan Yonghong, Liu Xiaoxu,..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have applied Chinese patent for Planetary Pitching Device. Dong Yijun, Zhang Hongqiao, Deng Rong, Wu Xiaoxiong, Wang Qianmin, Hui Kunliang and Liu Xiru developed it.
The pa..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has received China Nat Offshore Oil Corp and CNOOC China Co Ltd Hainan Branch patent application for Carbon-filtering Gas Production System and Method. Liao Jin, Liang Hao, Li Cai and Li Anqi developed the invention.
The patent application number is CN202511899592..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum, Cnpc Engineering Mat R & D Company Limited and Xian Tri Ring Oil Pipe Tech Co Ltd have submitted a patent application for Resin Well Cementation Method for Carbon Dioxide Injection Well. This invention was developed by Shi Wei, Li Dejun, Wei Rong, Yang Qi, Cao Feng, Zhao Yuanlei and Z..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have submitted a patent application for Hoop and Flange Double-acting Type Wellhead Connector. This invention was developed by Yan Jinlin, Dai Qiping, Zeng Qiao, Sun Chuanxua..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released China National Petroleum and Cnpc Engineering Tech R & D Co Ltd patent application for Full-bore Expandable Casing Upper Port Releasing Tool and Operation Method. This invention was developed by Jia Tao, Liu Yanli, Xu Binggui, Zhu Yingjie, Zhou Yi, Wang ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Cnpc Xibu Drilling Eng Co Ltd have submitted a patent application for Releasing Type Leaking Stoppage Auxiliary Device. This invention was developed by Lan Xiaoyun, Ye Anchen, Zhou Shuangjun, Gao Feng, Huang Kai, Liu Peng and Hong Shijie.
The patent application number is CN20241..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Daqing Tiandezhong Petroleum Sci & Tech Co Ltd has filed a patent application for Rigid Casing Stabilizer. This invention was developed by Wang Xiaoting, Wang Xiaoyu, Jiang Antai, Zhang Xue and Zhou Hongji.
The patent application number is CN202511937112 20251222. The patent publication number is CN12136338..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released Daqing Tiandezhong Petroleum Sci & Tech Co Ltd patent application for Multi-sealing Type Air-tight Seal Buckle. This invention was developed by Wang Xiaoting, Wang Xiaoyu, Jiang Antai, Zhang Xue and Zhou Hongji.
The patent application number is CN2025..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and China Petroleum Logging Co Ltd have applied Chinese patent for Steel Wire Conveying Multi-stage Perforating Device and Method. Li Benchi, Tang Kai, Ren Guohui, Lu Yinghui, Ma Ziqiang, Li Pei, Yu Lei, Chen Huabin, Zhang Hongyun, Wang Jian, Lee Yeon-hee, Nie Jingwen and Zhao Min deve..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published Zuanliding Shenyang Petroleum Tech Development Co Ltd patent application for Integrated Pulse Percussion Drilling Bit. The invention was developed by Jia Jiaxin, Chen Tianyu and Jia Liansuo.
The patent application number is CN202511916642 20251217. T..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Albarrie Canada Ltd has submitted a patent application for Containment of Liquid Hydrocarbons. This invention was developed by Kuziw Peter, Bruneaux Julien, Luo Xiaoxiong and Driscoll-horner Margaret.
The patent application number is US202319119467 20231012. The patent publication number is US20260132556..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Exxonmobil Product Solutions Co has sought patent for Pyrolysis Method and System for Recycled Waste. This invention was developed by Wu Xianchun, Bitting Daryl, Parker Kenny Randolph, Polasek Michael Gary, Slivensky David Eugene, Billodeaux Damon Ray and Murry Rucker Joel.
The patent application number ..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has filed a patent application for Bearings Having Asymmetrical Recesses. This invention was developed by Watson Arthur Ignatius, Mahadevan Pradeep and Camacho Cardenas Alejandro.
The patent application number is US202519348650 20251002. The patent publication number is US2026013281..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has received China National Petroleum; Cnpc Engineering Mat R & D Company Limited and Xian Tri Ring Oil Pipe Tech Co Ltd patent application for Oil Casing Thread Sealing Grease with Antirust Function and Preparation Method Thereof. Tian Feng, Zhang Juantao and Wang Y..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has submitted a patent application for Techniques for Generating and/or Training a Model for Predicting Parameters Associated with Well Operations. Keilers Adam Ethan and Hassig Fonseca Santiago developed the invention.
The patent application number is US202519370094 20251027. The..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- U.S. Patent and Trademark Office has received Baker Hughes Oilfield Operations patent application for ESP Recirculation System with Gas Separation. Lemos Daniel, Neves Leandro and Biazussi Jorge Luiz developed the invention.
The patent application number is US202319120705 20231005. The patent publication..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Baker Hughes Oilfield Operations has filed a patent application for Insert and Method, and System for Handling Different Diameter Tubulars in Tubular Handling Equipment. This invention was developed by Breaux Joseph Pierre.
The patent application number is US202519342847 20250929. The patent publication nu..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Pigging Period Monitoring Method and System Based on Pipeline Effusion and Hydrate. This invention was developed by Zhou Hongyu, Ma Luo, Chen Dingchao, Zheng Rongjun, Zhao Rui, Jiang Zhi, Shi Mengke and You Mei.
The patent application number is CN202410972295 ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Shared Data Access System and Method. This invention was developed by Li Xinhao, Yan Lin, Li Xin, Zeng Qian, Li Xiaobo, Yang Minghao, Wang Zhiping and Shi Bingbo.
The patent application number is CN202410973721 20240719. The patent publication number is CN1213..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Halliburton Energy Services has applied United States patent for Pass-thru Electrical Devices and Methods. Hoelscher Christopher C, Mlcak Matthew Craig and Wood Stuart Michael developed it.
The patent application number is US202418947938 20241114. The patent publication number is US20260135021 (A1). Intern..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China University of Petroleum, East China has sought patent for Laser Metal Additive Manufacturing Method and Device Based on Dynamic Microwave Assistance. This invention was developed by Li Guoying, Li Yingwen, Yi Peng and Liu Yonghong.
The patent application number is CN202511922619 20251219. The patent pub..
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